Replacement CO2 Tube (10/pak but sold individually) Replacement CO2 Tube (10/pak) (eco-5572)CO2 Test Replacement Tubes
CO2 Test Replacement Tubes are available in a pack of
10 tubes. Each gas detection tube measures from
300 - 5000 PPM of CO2.
This item is sold individually.
Manufacturer's Product Information
... — Ships from Seattle, Washington USA....more info.